diff options
Diffstat (limited to 'appengine_django/auth/templatetags.py')
-rw-r--r-- | appengine_django/auth/templatetags.py | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/appengine_django/auth/templatetags.py b/appengine_django/auth/templatetags.py new file mode 100644 index 0000000..8237890 --- /dev/null +++ b/appengine_django/auth/templatetags.py @@ -0,0 +1,62 @@ +# Copyright 2008 Google Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +""" +Template tags for the auth module. These are inserted into Django as "built-in" +tags so you do not need to use the load statement in your template to get +access to them. +""" + +from django.template import Library +from django.template import Node + +from google.appengine.api import users + + +class AuthLoginUrlsNode(Node): + """Template node that creates an App Engine login or logout URL. + + If create_login_url is True the App Engine's login URL is rendered into + the template, otherwise the logout URL. + """ + def __init__(self, create_login_url, redirect): + self.redirect = redirect + self.create_login_url = create_login_url + + def render(self, context): + if self.create_login_url: + return users.create_login_url(self.redirect) + else: + return users.create_logout_url(self.redirect) + + +def auth_login_urls(parser, token): + """Template tag registered as 'auth_login_url' and 'auth_logout_url' + when the module is imported. + + Both tags take an optional argument that specifies the redirect URL and + defaults to '/'. + """ + bits = list(token.split_contents()) + if len(bits) == 2: + redirect = bits[1] + else: + redirect = "/" + login = bits[0] == "auth_login_url" + return AuthLoginUrlsNode(login, redirect) + + +register = Library() +register.tag("auth_login_url", auth_login_urls) +register.tag("auth_logout_url", auth_login_urls) |